- the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells, and the oxidation products, carbon dioxide and water, are given off.
- an analogous chemical process, as in muscle cells or in anaerobic bacteria, occurring in the absence of oxygen.
Origin of respiration
Related formsres·pi·ra·tion·al, adjectivepre·res·pi·ra·tion, noun
Examples from the Web for respiration
And some reptiles add a fourth function to the overworked cloacal repository–that of respiration as well.What the Man With No Ass Crack Can Teach Darwinists and Creationists|Kent Sepkowitz|January 14, 2014|DAILY BEAST
The respiration of the young woman was so light that for an instant Catharine thought she was not breathing at all.Marguerite de Valois|Alexandre Dumas
When he does so I notice to my astonishment a remarkable improvement in his respiration and his walking.
What, then, would be the respective influence of low and high temperatures on the respiration of pure oxygen?
It develops grace and muscular strength, increases circulation and respiration, and is cheering because of rhythm.What a Young Woman Ought to Know|Mary Wood-Allen
From this chain large numbers of nerves are given off, which end chiefly in the organs of digestion, circulation, and respiration.A Practical Physiology|Albert F. Blaisdell